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Die casting design process and improvement

Time:2021-04-14 10:24:04Click:

       After the promotion and application of pressure casting (die casting), the process of product design in the machinery manufacturing industry has been more rationalized, which has largely got rid of the shortcomings of traditional manufacturing processes, but after a period of use, it has been found that the defects of the die casting mold itself limit the product With the improvement of quality, the die-casting mold design and die-casting process need to be actively considered in the casting industry.
1. The basic design process of die-casting mold
      The first is to analyze the characteristics and properties of die castings. For different models and types of die-casting parts, the specific process of designing die-casting molds should also reflect differences. Therefore, before the optimization design of the die-casting mold, the key is to judge the overall structure, material characteristics, internal quality, dimensional accuracy and other characteristics of the die-casting part, and then select the appropriate type of die-casting mold. By judging the basic properties of die-casting parts, mold designers should be able to give corresponding three-dimensional design models, thereby simplifying the specific technical solutions for mold design and mold forming. The second is to accurately draw the drawings of assembling die-casting molds. The core measure to improve mold design lies in the scientific drawing operation of drawings, especially for the sketches of assembling die-casting molds. After the cost estimation, the cost of various die-casting molds can be roughly judged. The key point of die-casting mold assembly is to avoid the inherent internal defects of the mold, and to deal with it in accordance with the corresponding molding sequence. On this basis, mold designers must use a comprehensive comparison method to screen mold design plans to ensure that mold design drawings can be determined, so as to achieve the goal of effectively reducing mold manufacturing costs and improving mold production efficiency. The third is to track the production summary. The technicians responsible for designing die-casting molds should not only complete the preliminary drawing and mold design work, but also track the mold production throughout the process. Only on the basis of ensuring that mold production and manufacturing are tracked, mold designers can have a deep understanding of the existing design defects and loopholes of the die-casting mold, and then make corresponding corrections. Moreover, the mold designer must go through a detailed process summary and summary to ensure that feasible suggestions are given to improve the efficiency of die-casting and simplify the die-casting operation process, and to avoid the inherent structural defects of the die-casting mold.
2. The necessity of improving the design process of die-casting mold
      From the perspective of mechanical manufacturing, the die casting process should be a key mechanical production process. After entering the new era, information technology has been able to penetrate the production of the foundry industry, so as to achieve the effect of simplifying the casting process operation, reducing the cost of die-casting molds, and ensuring the accuracy of process operations. But up to now, in the specific design of die-casting mold equipment, if the necessary design process improvement is lacking, it will be manifested as various equipment operational defects. In severe cases, the die-casting mold equipment may suddenly fail, which threatens the die-casting production. Therefore, it can be known that the current basic design of die-casting molds needs to be optimized accordingly. For example, in the specific link of die-casting production, if the die-casting mold is in a state of fatigue failure, it may cause the mold itself to be damaged or destroyed. Certain molds will slowly crack inside the die-casting mold after continuous long-term operation, which will eventually lead to the phenomenon of damaging the steel structure of the die-casting mold. In the die-casting die damage accident caused by fatigue factors, thermal fatigue constitutes the most critical die damage factor. In addition, the die-casting mold may also be damaged by corrosion or breakage, which will interfere with the production of die-casting. Therefore, in order to avoid the above damage phenomenon, the current important die-casting process equipment for die-casting molds should be dedicated to optimizing the design and ensuring the use of scientific process design methods to improve the overall equipment performance of the die-casting mold.
       The above is about the main points of die-casting mold design and improvement.